MESON Chess Problem Database
Problem Display
PID: 260706 (3N1n1K/1B2B3/4bR2/4k1p1/1Rrbp2N/8/8/3Q1n2 w - - 0 1)
de Barbieri, Vittorio
L'Echiquier, 1925
#2
8 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Rc6
- 2.Qxd4#
- 1...Rc7
- 2.Qxd4#
- 1...Rc8
- 2.Qxd4#
- 1...Ba1
- 2.Qd6#
- 1...Bg1
- 2.Qd6#
- 1...Bb2
- 2.Qd6#
- 1...Bf2
- 2.Qd6#
- 1...Bc3
- 2.Qd6#
- 1...Be3
- 2.Qd6#
- 1...Bc5
- 2.Sc6#
- 1...Bb6
- 2.Qd6#
- 1...Ba7
- 2.Qd6#
- 1...Bh3
- 2.Sf7#
- 1...Bg4
- 2.Sf7#
- 1...Bd5
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Bd7
- 2.Sf7#
- 1...Bf7
- 2.Sxf7#
- 2.Rf5#
- 1...Bc8
- 2.Sf7#
- 1...Bg8
- 2.Rf5#
- 1...Sg6+
- 2.Sxg6#
- 1...Sd7
- 2.Sg6#
- 1...Sh7
- 2.Sg6#
- 1...e3
- 2.Sf3#
- 1...Rc1
- Tries
- 1.Sc6+?
- 1...Rxc6
- 2.Qxd4#
- 1...Kd5!
- 1...Rxc6
- 1.Rxc4?
- threat
- 2.Qxd4#
- 1...Sg6+
- 2.Sxg6#
- 1...Bxc4
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Ba1
- 2.Sc6#
- 2.Rxe4#
- 2.Qxa1#
- 2.Qd6#
- 1...Bg1
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Bb2
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Bf2
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Bc3
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Be3
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Bc5
- 2.Sc6#
- 2.Rxe4#
- 1...Bb6
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Ba7
- 2.Sc6#
- 2.Rxe4#
- 2.Qd6#
- 1...Sd2!
- threat
- 1.Rb5+?
- 1...Bc5
- 2.Sc6#
- 2.Qd6#
- 1...Bd5
- 2.Sf7#
- 2.Rxd5#
- 2.Rf5#
- 1...Rc5!
- 1...Bc5
- 1.Sc6+?
- Keys
- 1.Qd3!
- threat
- 2.Qxe4#
- 1...Sg6+
- 2.Sxg6#
- 1...exd3
- 2.Sf3#
- 1...Rc6
- 2.Qxd4#
- 1...Bf5
- 2.Rxf5#
- 1...Sd2
- 2.Qg3#
- 1...Ba1
- 2.Qd6#
- 1...Bg1
- 2.Qd6#
- 1...Bb2
- 2.Qd6#
- 1...Bf2
- 2.Qd6#
- 1...Bc3
- 2.Qd6#
- 1...Be3
- 2.Qd6#
- 1...Bc5
- 2.Sc6#
- 1...Bb6
- 2.Qd6#
- 1...Ba7
- 2.Qd6#
- 1...Bd5
- 2.Rf5#
- 1...Sg3
- 2.Qxg3#
- 1...e3
- 2.Sf3#
- 2.Qe4#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 14
- Sets
- R(b);N_GUARD::QAB1(A),XB(c)
- B(c);OGATE::QAB1(A)
- B(c);S_CUTR(b)::S(G)
- B(g);N_GUARD::S(G)
- B(g);N_GUARD::R1(D)
- B(g);N_GUARD::R1(D),XB(g)
- S(h);CHECK,N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- P(d);N_GUARD::S(C)
- Tries
- Try
- S(G);CHECK
- Vars
- R(b);XS(G)::QAB1(A),XB(c)
- Refutation
- K(e);P-FLIGHT,P_PINR(D),P_SPINB(c)
- Try
- R(B);XR(b)
- Threat
- QAB1(A),XB(c)
- Vars
- S(h);CHECK,N_GUARD::S(C),XS(h)
- B(g);N_GUARD,XR(B)::R1(D)
- B(g);N_GUARD::R1(D),XB(g)
- Refutation
- S(a);
- Try
- R(B);CHECK
- Refutation
- R(b);P_SPINR(b)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XP(d)
- Vars
- S(h);CHECK,N_GUARD::S(C),XS(h)
- P(d);N_GUARD,XQ(A)::S(C)
- R(b);N_GUARD::QAB1(A),XB(c)
- B(g);N_GUARD::R1(D),XB(g)
- S(a);N_GUARD::QAB(A)
- B(c);OGATE::QAB1(A)
- B(c);S_CUTR(b)::S(G)
- B(g);N_GUARD::R1(D)
- S(a);N_GUARD::QAB(A),XS(a)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).